Finding the Fourth Proportional to 529,944.95, 793,916.09 and 313,157.02
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Solution
The fourth proportional to 529,944.95, 793,916.09 and 313,157.02 is: 469,143.82
Step by Step Solution
- Step 1: Write the proportion equation
529,944.95 : 793,916.09 = 313,157.02 : x - Step 2: Convert to fraction form
529,944.95/793,916.09 = 313,157.02/x - Step 3: Cross multiply
529,944.95x = 793,916.09 × 313,157.02 - Step 4: Simplify right side
529,944.95x = 248,620,393,323.88 - Step 5: Solve for x
x = 248,620,393,323.88/529,944.95 - Step 6: Final answer
x = 469,143.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.